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hw3_Solution(official) - Machine Learning Homework 3...

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Machine Learning Homework 3 Solutions Problem 1 sketch of decision boundaries using K-NN classifiers. N=1 N=3 Problem 2 The key point of this problem is to understand that training samples are randomly generated, and that training set is going to determine your test error. (a) The probability of making an error using KNN is going to be ) , ( ) , ( ) ( 1 2 2 1 C P P C P P e P c c n + = , ) , ( 2 1 C P P c means, when the test point is actually in Hyper Sphere 2 C but somehow the KNN
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